Plastic and nonmetallic article shaping or treating: processes – With measuring – testing – or inspecting – Positioning of a mold part to form a cavity or controlling...
Patent
1996-10-09
1998-08-18
Heitbrink, Jill L.
Plastic and nonmetallic article shaping or treating: processes
With measuring, testing, or inspecting
Positioning of a mold part to form a cavity or controlling...
2643287, 425150, 425590, B29C 4556
Patent
active
057955107
ABSTRACT:
A thermoplastic resin is molded by a press-molding method wherein a thermoplastic resin in a molten state is compressed to flow between a pair of female and male molds so as to be formed into a predetermined shape. A compression rate of the mold is controlled so that the following expression (1) is satisfied:
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patent: 5130075 (1992-07-01), Hara et al.
patent: 5252269 (1993-10-01), Hara et al.
patent: 5525285 (1996-06-01), Matsumoto
Kitayama Takeo
Matsumoto Masahito
Nakamura Yukito
Togawa Yoshiaki
Tsutsubuchi Masaaki
Heitbrink Jill L.
Sumitomo Chemical Company Limited
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